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Allen Jr. is a Rebel Army elite soldier who first appeared in Metal Slug Advance as the game's main antagonist and penultimate boss.

Character Summary[]

Allen Jr. is the son of Allen O'Neil, and much like his father he has become a soldier. Seeking revenge on the P.F. Squad for their victories against the Rebel Army, he has gathered Rebel troops and infiltrated the P.F.'s training camp located on a remote island, apparently intending to destroy the whole place.

Allen Jr. possibly has a romantic relationship with the Rebel officer Julia, as the two share similar tattoos and are often paired up on missions. Both also share a similar fighting style.

Metal Slug Advance[]

Initially, Allen Jr. appears as a Regular Army drill instructor who sends the P.F. Squad recruits onto P.F. Island. At the beginning of Mission 3, he lures the player character into a trap before tearing off his disguise and picking up a heavy machine gun similar to the one used by his father, then laughs at the player alongside several Rebel soldiers.

He later appears as an optional boss in the final mission. During this encounter, he first engages the player with his machine gun, then switches to a knife and grenades after taking enough damage. Since he simply disappears after being defeated, his ultimate fate is unclear.

Metal Slug Attack[]

Extra Ops[]

Allen Jr. made his first appearance in the Extra Ops "Boy Memories", where he confronts Walter Ryan when he attempted to save several POWs that Allen Jr. captured. Allen Jr. sent the Cabrakan to kill Walter, but Walter critically damaged it, causing the Cabrakan to destroy the platform that Allen Jr. was on, presumably killing him. However, it is revealed that he survived, as he fell into a Sand Marine. Abigail was then sent to find him, but to no avail. It is presumed that he was captured by the Ptolemaic Army, but he managed to escape and reconnect to Rebel command.

He later challenges Walter to a rematch, but the Regular Army soldier proves to be more than capable and Allen Jr. retreats, abandoning his soldiers and the secret weapons given to him; a Keesi III+ and Formor+. Returning to base, he casually takes a shower, only for Julia to barge in and shame him into helping her rescue his soldiers and retrieve the Keesi III+ and Formor+. They are able to recapture them, and he proclaims to his men that he retreated in order to find reinforcements. They know that he is trying to hog the glory for himself, but Julia decides to help him save face by stating that he is a genius.

Later on, Allen Jr. and his father participating in an operation against the Regular Army, overwhelming them with their new weapons. They have a "contest" of sorts to see who can kill the most, with Allen Jr. using the new Rogue Giant. Perche arrives at the battlefield, and battles the duo. Allen Jr. tries his best to hold off Perche, but finds it very hard to do so despite her petite size. Allen abandons him after witnessing Perche's power, and when she rips off the arm of his Rogue Giant, he immediately ditches it and flees.

Following his encounter with Perche, Morden asks him to participate in a practice simulation with the Amadeus Syndicate, which he admits that he would have ignored if it came from anyone else. He is accompanied by both Julia and Emma, and battle their opponents - a large unmanned division led by an Amadeus-built Shoe and Karn. During the battle, he states that it isn't the same fighting machines, and soon runs out of ammo. Emma makes him more weapons to continue the fight, but before he can do so, Shoe and Karn end the simulation, as continuing the fight is pointless. Allen Jr. is content with their "surrender", taking it as a win in his books.

Allen Jr. is later given control of a new Element Giant. He played a small role in its development, requesting it to be painted in a dark-blue color and its weapons use a mix of both incendiary and freezing attacks. Once it was developed, he later took it out on a test run at the Egyptian ruins, with Abul Abbas serving as his guide. Testing the machine out disturbs the ruins greatly, prompting Cleopatra to wake up early from her slumber. She threatens to smite him for his sacrilege, but he eagerly accepts her challenge, knowing that a fight against a goddess would be legendary. Though evenly matched at first, the Element Giant gives in, prompting Allen Jr. to ditch it and run towards Abul and Shizuka, the latter using her ninjutsu to bring them to safety.

A while later, Allen Jr. learns of an assassination attempt on his father and promises to protect him alongside Julia and Beatriz. The assassin is revealed to be a young girl who fails to harm Allen. Allen Jr. tries to have assassin stay and fight, but she had already been convinced otherwise by Beatriz, who suggested she leave.

Another Story[]

Allen Jr. made his first appearance in the story "The Pharaoh Treasure", where he's tasked with Beatriz to find the fabled Arabian Tear. They meet Scotia Amundsen during the mission and eventually secure the Arabian Tear.

In the story "The Back You Can't Reach", Allen Jr. is deployed with Beatriz to steal a powerful prototype weapon from the Regular Army. They successfully do so, but eventually fail due to Beatriz unintentionally luring the P.F. soldiers to their base and the destruction of the Cabrakan.

In the story "What I Need to be Myself", Allen Jr. has his first encounter with the Invaders, meeting Nowan, Odette and Annette.

Allen Jr. makes a brief appearance in the story "Cross/You", where he asks Vita to bring him his medicine, and tries to dissuade her from drinking the suspicious liquids when she tries to prove her point but fails.

Personality[]

While Allen Jr. shares some similarities with his father, he is the polar opposite of him - Allen O'Neil's tactics are limited to running into battle with all guns blazing, but Allen Jr. is cool and calculating, as evidenced by his spying on the Regular Army. However, he has a similar fighting style to his father - when he has his M60 he will keep his distance but deliver a blow to the player with his ammunition belt if they get too close. If he takes enough damage, however, he flies into a berserker rage and slashes the player with a Bowie Knife.

In Another Story, Allen O'Neil describes his son as someone that refuses to listen to him, especially during the heat of battle.

Design[]

His design is based on both Antonio Banderas and Rambo. He uses a M60 Machine-gun has Lewis MG's buttstock, while his father uses an M240 Bravo Machine-gun.

Gallery[]

Characters
Heroes Main Series Marco RossiTarma RovingEri KasamotoFio GermiTrevor SpaceyNadia CasselRalf JonesClark StillLeona Heidern
Spin-Offs Walter RyanTyra ElsonHeroGimletRed EyeTequila
Mobile Roberto NicolaNathalie NeoAlisa StewartHeltonTildeNikitaMatildaAmirWhipHeidernMerris
Support Hyakutaro IchimonjiRumi AikawaMadoka AikawaUtanNavelSelinaIssenman TarouErisHyakumantaroPupipi
Villains Main Series Donald MordenAllen O'NeilAbul AbbasRootmarsDoctorAvatar of EvilInvader King
Spin-Offs Allen Jr.OgumaMacbaLt. WiredKananHilde Garn
Mobile Unknown AlienVictorPtolemaiosAnubis the ChainedNanookDalia
Pachinko Sosuke N KagamiharaVasser GutenschiffRita KanikojaSagan and Logan Gail
Instructors Sophia GreenvilleMargaret SouthwoodRiviera von WittenbergMaryell von WittenbergCynthia HartnettAnne
NPC AnnouncerPOWsParkerSachiko SuzukiGerhardt City CiviliansColonel HartChris KeyAlexander SuvorovBabyScott Amundsen Jr.MinerGenie of LampOrcaPresident MarxSurvivorsFishmanFinnSailorChinese Soldier
Crossover KOF TeamBattle Cats
Unused Phil GeneMichiko NakajimaAngry Man • "Achilles" • "Tabomba" • Goddess Ancor
Metal Slug: Awakening
Heroes Original LylaEva GlennHaranScarlettGru KangSayaKukikEiserner • "Joe" • "Lilith" • "Emil"
Crossover VioletKyo KusanagiAlessioSun Shangxiang
NPC AmirEliaCelineVictorAsukaMiaLambertGaddCrowLucasClub ButlerClub ManagerRift GuideAceAndreShirleyEveMysterious Shopkeeper • "Clara" • IreneHasanSalemHachooDr. DeeEugeniaNesoLauraAjaxTheoUtanHeero
Villains PharaohTarpuShabtiKatherineSilenceMechanistDr. NeanderSidAnke
Metal Slug Attack
Regular Army Associates MS-AliceAnna WieseMidori SchumannMelloRita LewinskyAmberNikitaReika BradfordLouiseGiseeMS-HeartAshleyRockyGrowlJephetVictoriaClaudiaKanaeHowellPhiElizabeth MarianiUndoCharlotteNayutaro Ichimonji
Metal Device Project PercheAmiMollyMenzelUlalaMaggieAvvioQuaithKaren
KOF Mai ShiranuiTerry BogardKula DiamondK'Athena Asamiya
Rebel Army Associates RapidJuliaChloeIzabellaEddaGrowth & ClineNaomiAleshaJane Doe
ACE AbigailDionRomyKriemhildKatalina
"Frozen Brigade" BeatrizVickyDolores
Blaze Brigade GraziaLorettaNorah
Allen Platoon DestradeHuracanConnyNantesPadwahOlgaVirginia
Science Department VitaNavyNovaEmmaMillefieSylfieFluffyEight Eight
Arabian Army ShizukaAisha
MRAW Extra Raven
Ptolemaic Army Rebellion DragunovYoshinoCarolineVeronicaSisiliaTowaSimonMiharuChunyanOwenShoLucyPhoebeJosetteMizunaMatildaLittle Lady BlackSvetlaHumphreyLithosYutongTatyanaCicaLinhuaValette
Cultists Mira D. GenesisMariaDamianAchettoSallyCaraOao-OneSorceress
Secret Sect Anastasia IVBelieversBeechamMelvinaAnastasia IZahara
Others Reverse TrinityPtolemaios Shadow
Space Army Martians Professor "Aionion"Mars People NeoPercierClone AbbyClone BettyMars People RangersAriadnaGemini TwinsHalleBonnyClarioHarriotCode Marionette:UnPaulineLeoneClarisDracoRaubtierMalkuth
Invaders OdetteAnnetteLydiaNowanSchwarz MetzeleiFedeln MetzeleiRillacleFrankeTelekoBloom MetzeleiOdileBersekGeweih MetzeleiPurple KingBarbelnBiene GoldenesSwordeistDrache GoldenesEis MonstrumAi AgateLiebenGoldenes KriegerPictura
Unaffiliated UnsignedLi Lin
Independent Army Amadeus Syndicate White BabyAlmaOttoIron FortressValerian BearsFirst BabyType:Ant-LionSweet BabyMelk
Red Goblin Society Scotia AmundsenRed GoblinVatnJinAileenElenaLichtIchimaWendyBushin TenzanMaki
Mummy Army PharaohCleopatraHemetArsinoeHatholSharifaRamalSekhatWepset
Vampires AswangAgaliaSharlGrace
"World Military Corp." KellyMayaMirror Mantis
Mirage Circus CocatrixBunnyFlan
Unaffiliated El DoradoElysionEstherTeresaMinervaYang DaoYuki Tsuki HanaIdoPhiliaHisui
Bosses
Metal Slug TetsuyukiHairbuster RibertsTani OhShoe & KarnIron NokanaHi-Do
Mini-Bosses: Mini-BataAllen O'Neil
Metal Slug 2/X The Keesi II / Iron Nokana MK II (X) • Aeshi NeroDragon NosukeBig ShieeHozmiRugname
Mini-Bosses: Mosque ArtilleryThe Keesi II (X) • Karn (X) • Allen O'NeilDai-Manji
Metal Slug 3 Huge HermitMonoeye UFOJupiter KingSol Dae RokkerRootmars
Mini-Bosses: Twin Ohumein-CongaMonoeyesHairbuster RibertsHi-DoRugnameFake RootmarsClone Incubator
Metal Slug 4 Brave GuerrierToschka DalanueThe IronBig JohnSea SatanAmadeus Mother Computer
Mini-Bosses: Mecha Allen
Metal Slug 5 Metal RearShooting RayScreamerSand MarineAvatar of Evil
Mini-Bosses: Black HoundStone Turtle (unused) • Gaia ElephantPtolemaios (unused)
Metal Slug 6 Bull DrillIron SentinelBrain RobotElder CentipedeInvader King
Mini-Bosses: Invader ControllerKing's Cocoon
Metal Slug 7/XX Iron Death WormCrablopsDestroyed CrablopsFall ClimberThe UnionRebel GigantKraken
Mini-Bosses: Scrap TowerBig Gate
Metal Slug: 1st Mission Rebel VTOLRebel TrainMacbaRebel ZeppelinElectromagnetic CraneWeapons Port BossMetal Strider
Mini-Bosses: Facility ElevatorMacbaRebel Truck
Metal Slug: 2nd Mission Big BerthaTerrain CarrierRebel ReactorMacbaRebel SubmarineRebel BlimpTani OhWiredRebel AirplaneMetal StriderRocket UFO
Mini-Bosses: Power GeneratorsRebel RocketHyakutaro
Metal Slug Advance FormorEmain MachaKaladgolgThe Keesi IIICabracan
Mini-Bosses: Allen Jr.
Metal Slug 3D Spider-BotUnderground Cruise MissileMorden's BattleshipMorden's CastleLugusLieu
Mini-Bosses: ParachuetruckMosque ArtilleryAllen O'Neil"Rebel Destroyer Ship"
Metal Slug Attack Pharaoh's ArcPtolemaiosBall SlugGreat MotherMars GigantalosK-O3 Coupled Armored VehicleLand BlowfishCyclobsterSlug SquareZoni DolomaQuadro JumperDenturionD-GuFortmeranianRock MoleGiant CopterEt A OmnisVortexDigger BaseCrusty LegsArmored CrawlerQueen Big Snail7000 Class LocomotiveRiviere HyllMetal Fusioner No.223Drum SlugMars WolfSea DragonTetsujin SquadSand Twister No. 1GigantnoidDark GateKnight TankImpact CannonDive Assault Cannon AndrewOld Blood BeastOmikami
Metal Slug: Awakening SphinxConga Lava DominatorApepMoltar's LegacySteel CongaSherpaKhepriGordosTarpuReshephGold EyePharaohEarthcore DeityCrystal Beast CentipedeCrystal Beast CongaLauraCruiser Titan SubmarineAntaMecha AllenSiren
Mini-Bosses: The Keesi IIAllen O'NeilIron NokanaMetal RearHellfire Bat KingShabtiBlack Hound
Joint Operation: VolmesFireflyGenaroKatherineRebel Warbot Raidenjin (unused) • SilenceMechanistSix-Armed Machine
Joint Operation Abyss S1: BeruaMeiruizigeMech Hermit CrabMachine GuardMaat
Joint Operation Abyss S2: Anta (Cursed)Fist Fungus Beast (Cursed)Cruiser Titan Submarine (Cursed)Knight Conga (Cursed)Siren (Cursed)Titan (Cursed)Firefly (Cursed)Cetus (Cursed)
Club Mode: Dr. NeanderRift Crystal BeastCalamity Crystal BeastCalamity SnakeEye of Calamity
Flashback Mode: Hairbuster RibertsTetsuyukiMini-BataMosque ArtilleryGreen Ohumein-CongaRed Ohumein-CongaHuge HermitDragon NosukeBig ShieeTani OhBig JohnHi-DoBombardier CaptainDragon Nosuke
Mobile Games Rocket Control RoomUnknown AlienHellfireSpiderbotCyclopsMega Laser TurretMars Battle UFOM-32 Water Carrier PlaneKouraiAlien Floating Structure
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